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ManualsBrandsMAXIM INTEGRATED ManualsData collecting ICsData acquisition IC - Analog front end (AFE) 10 Bit TQFN 48
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MAX19707
10-Bit, 45Msps, Ultra-Low-Power
Analog Front-End
______________________________________________________________________________________ 11
Rx ADC SIGNAL-TO-NOISE AND DISTORTION
RATIO vs. ANALOG INPUT AMPLITUDE
MAX19707 toc10
ANALOG INPUT AMPLITUDE (dBFS)
SINAD (dB)
-3-6-9-12-15-18
60
50
40
30
20
10
0
-21 0
QA
IA
f
IN
= 13.00155MHz
Rx ADC TOTAL HARMONIC DISTORTION
vs. ANALOG INPUT AMPLITUDE
MAX19707 toc11
ANALOG INPUT AMPLITUDE (dBFS)
THD (dBc)
-3-6-9-12-15-18
-40
-45
-50
-55
-60
-65
-70
-75
-80
-21 0
f
IN
= 12.4980346MHz
QA
IA
Rx ADC SPURIOUS-FREE DYNAMIC RANGE
vs. ANALOG INPUT AMPLITUDE
MAX19707 toc12
ANALOG INPUT AMPLITUDE (dBFS)
SFDR (dBc)
-3-6-9-12-15-18
75
70
65
60
55
50
45
-21 0
f
IN
= 12.4980346MHz
QA
IA
52
53
54
55
56
5 15253510 20 30 40 45
Rx ADC SIGNAL-TO-NOISE RATIO
vs. SAMPLING RATE
MAX19707 toc13
SAMPLING RATE (MHz)
SNR (dB)
f
IN
= 12.4980346MHz
IA
QA
52
54
53
55
56
57
5 15253510 20 30 40 45
Rx ADC SIGNAL-TO-NOISE AND DISTORTION
RATIO vs. SAMPLING RATE
MAX19707 toc14
SAMPLING RATE (MHz)
SINAD (dB)
f
IN
= 12.4980346MHz
IA
QA
-95
-55
-60
-65
-70
-75
-80
-85
-90
5 15253510 20 30 40 45
Rx ADC TOTAL HARMONIC DISTORTION
vs. SAMPLING RATE
MAX19707 toc15
SAMPLING RATE (MHz)
THD (dBc)
f
IN
= 12.4980346MHz
QA
IA
60
90
85
80
70
65
75
5 15253510 20 30 40 45
Rx ADC SPURIOUS-FREE DYNAMIC
RANGE vs. SAMPLING RATE
MAX19707 toc16
SAMPLING RATE (MHz)
SFDR (dBc)
f
IN
= 12.4980346MHz
IA
QA
52
53
55
54
56
57
Rx ADC SIGNAL-TO-NOISE RATIO
vs. CLOCK DUTY CYCLE
MAX19707 toc17
CLOCK DUTY CYCLE (%)
SNR (dB)
35 5545 65
QA
IA
f
IN
= 12.4980346MHz
52
53
55
54
56
57
Rx ADC SIGNAL-TO-NOISE AND DISTORTION
RATIO vs. CLOCK DUTY CYCLE
MAX19707 toc18
CLOCK DUTY CYCLE (%)
SINAD (dB)
35 5545 65
QA
IA
f
IN
= 12.4980346MHz
Typical Operating Characteristics (continued)
(V
DD
= 3V, OV
DD
= 1.8V, internal reference (1.024V), C
L
≈ 10pF on all digital outputs, f
CLK
= 45MHz (50% duty cycle), Rx ADC input
amplitude = -0.5dBFS, Tx DAC output amplitude = 0dBFS, differential Rx ADC input, differential Tx DAC output, C
REFP
= C
REFN
=
C
COM
= 0.33µF, T
A
= +25°C, unless otherwise noted.)